Panasonic SAHT280 - RECEIVER, Service Manual

Page: 69 / 96

To DTS
CIRCUIT
(CN1001)
on SCHEMATIC
DIAGRAM-7
A
B
C
IC1204
NJM2060D
BUFFER AMP
4 5 6 7 1 2 3
11 10 9 8 14 13 12
Vcc
Vss
20
2
1
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
2
1
3
4
5
6
7
8
9
10
11
12
13
14
15
16
C
E
F
A
B
C
D
F
G
H
I
J
K
L
CN1002B
CN1001B
1
2
3
OUT
GND
Vcc
1
2
3
OUT
GND
Vcc
CM IN
SW IN
C IN
L IN
RS IN
R IN
LS IN
+B(7)
OVL/ ERR
A.GND
AD RIN+
AD RIN-
AD LIN-
AD LIN+
PDN
D IN3
D.GND
D.GND
D.GND
+B(6)
D IN2
+B(5)
+B(5)
D IN1
POWER
CS42
C CLK
CD IN
CD OUT
CS RESET
CS49
SCD OUT
INT REQ
CA17
L1303
1
H
Z1301
Z1307
Z1306
Z1305
C1320
0.1
C1306
0.1
R1308
3.3K
C1308
15P
C1307
0.01
R1309
47
C1309
0.1
R1307
1K
C1310
0.1
R1301
3.3K
C1301
15P
C1303
0.1
R1302
1K
C1302
0.01
R1303
47
L ch
R ch
Z1308 Z1302
Z1303
Z1304
R403
1K
R404
1K
R1249
6.8K
C1245
50V4.7
R1259
47K
C1241
330P
B
C1318
0.01
JK1301
TV
(OPTICAL)
DIGITAL
JK403
JK1302
DVD
(OPTICAL)
IC404
TC9162AN
SIGNAL SELECTOR
(AUDIO)
C443
0.01
C441
50V4.7
C444
0.01 C442
50V4.7
SCHEMATIC DIAGRAM-3
SURROUND CIRCUIT
DVD
JK1303
CD
(OPTICAL)
To DTS
CIRCUIT
(CN1002)
on SCHEMATIC
DIAGRAM-7
C
C
R1304
3.3K
C1304
15P
R1305
1K
C1305
0.01
R1306
47
C1319
0.1
R1310
10
1
2
3
OUT
GND
Vcc
E1301
D
C1313
25V47
D
B
A
E
M
C1230
330P
R1240
2.2K
R1251
2.2K
C1228 3900P
C1244
50V4.7
R1258
47K
C1243
50V4.7
R1257
47K
R1235
6.8K
R1237
2.2K
C1227 3900P
R1233
1K
C1229
330P
R1234
1K
R1247
1K
R1236
6.8K
14
13
12
11
10
9
8
7
6
5
4
3
2
15
16
17
18
19
20
21
22
23
24
25
26
27
28 1
CLK
DATA
GND
STB
Vss V
DD
7
9
5
4
3
2
1
7
9
5
4
3
2
1
R439
1K
R438
1K
D
B
C
R1241
120K
C1237
16V33
C1235 4700P
C1232
0.01
C1234
16V10
C1231
0.01
C1233
16V10
C439
100P
R1227
120K
C1225
16V33
C1223 4700P
R1228
120K
C1226
16V33
C1224 4700P
N
P
J
K
I
L
Q
R
S
O
H
G
R445
10K
R444
10K
NC
CA16
R446
10K
M
C1239
3900P
:FM/ AM SIGNAL LINE
:SUB WOOFER SIGNAL LINE
:SURROUND SP SIGNAL LINE
:CENTER SP SIGNAL LINE :NEGATIVE VOLTAGE LINE
:POSITIVE VOLTAGE LINE
4.9V
4.9V
4.9V
4.9V
4.9V
2.6V
4.9V
2.6V
4.9V
14.4V
-
16.2V
-16.2V
14.2V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
-16.2V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
-16.2V 0V 0V 0V 0V
0V 0V 0V 0V 14.4V